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<H1>IBM Visualization Data Explorer Programmer&#39;s Reference</H1>
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<H3><A NAME="HDRDXSM" HREF="progu097.htm#PToC_411">DXSetMember</A></H3>
<A NAME="IDX2084"></A>
<A NAME="IDX2085"></A>
<P><STRONG>Function</STRONG>
<P>
Adds a member to a Group.
<P><STRONG>Syntax</STRONG>
<BR>
<TT><STRONG><BR>
&#35;include &lt;dx/dx.h&gt;<BR>
<P><BR>
Group DXSetMember(Group g, char *name, Object value)<BR>
</STRONG></TT><BR>
<P><STRONG>Functional Details</STRONG>
<P>
Adds
<TT><STRONG>
value
</STRONG></TT>
as a member of Group <TT><STRONG>g</STRONG></TT>.  The
<TT><STRONG>
name
</STRONG></TT>
may be
<TT><STRONG>NULL</STRONG></TT>,
in which case a
new member is added that may be accessed only using
<TT><STRONG>DXGetEnumeratedMember</STRONG></TT>.  If
<TT><STRONG>
name
</STRONG></TT>
is the same as the name of an
existing member, then the new member will have the same index in the
Field as the old member and the value of that member is overwritten
with the new value.  Setting a member to
<TT><STRONG>NULL</STRONG></TT>
deletes the member.
<P>
If the Group is typed, and the new Object
<TT><STRONG>
value
</STRONG></TT>
is typed, then
<TT><STRONG>
value
</STRONG></TT>
must be of the same type as the Group.  This is generally the case for
Series, Composite Fields, and MultiGrids.  The first time
<TT><STRONG>DXSetMember</STRONG></TT> is called for one of these generally
typed Groups with a typed <TT><STRONG>value</STRONG></TT>,
<TT><STRONG>DXSetMember</STRONG></TT> sets the type of the Group to be the
type of the Object.
<P><STRONG>Return Value</STRONG>
<P>
Returns <TT><STRONG>g</STRONG></TT> or returns <TT><STRONG>NULL</STRONG></TT>
and
sets an error code.
<P><STRONG>See Also</STRONG>
<P>
<TT><STRONG>
<A HREF="progu169.htm#HDRDXGEM">DXGetEnumeratedMember</A>,
<A HREF="progu175.htm#HDRDXGGC">DXGetGroupClass</A>,
<A HREF="progu181.htm#HDRDXGM">DXGetMember</A>,
<A HREF="progu252.htm#HDRDXNG">DXNewGroup</A>,
<A HREF="progu311.htm#HDRDXSEM">DXSetEnumeratedMember</A>,
<A HREF="progu315.htm#HDRDXSGTV">DXSetGroupType, DXSetGroupTypeV</A>
</STRONG></TT>
<P>
<A HREF="progu045.htm#HDRMBS">"Generic Operations"</A>.
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